Downtown Johnstown Historic District is a national historic district located at Johnstown in Cambria County, Pennsylvania.

The district includes some buildings dated before the Johnstown Flood, but the majority date from 1890 to 1930. Notable buildings include the Alma Hall (1884), Bantley Building (1888), Stenger Dry Goods Store (1883), Widmann Building (1892), Cambria Iron Office Building (1881, 1885), St. Vincent DePaul Building (c. 1900), Swank Building (1907), Glosser Brothers Department Store (1905), Johnstown City Hall (1900), former U.S. Post Office (1912), State Theater (1926), U.S. Post Office (1938), Franklin Street United Methodist Church (1869), St. John Gualbert Cathedral (1896), First United Methodist Church (1911), Elks Building (1903), and Moose Building (1917).

Located in the district and listed separately are the Cambria Public Library Building, G.A.R.

[2] It was listed on the National Register of Historic Places in 1992.

[1] All of the following are located in Johnstown, Cambria County, PA: